73321720

素因数分解:

$2^3\times 5^1\times {\mathrm{431}}^1\times {\mathrm{4253}}^1$

素因数の和:4695

約数の個数: 32

約数和(自身を含む): 165395520

約数和(自身を除く): 92073800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 431, 862, 1724, 2155, 3448, 4253, 4310, 8506, 8620, 17012, 17240, 21265, 34024, 42530, 85060, 170120, 1833043, 3666086, 7332172, 9165215, 14664344, 18330430, 36660860, 73321720]

約数ペア:

[(1, 73321720), (2, 36660860), (4, 18330430), (5, 14664344), (8, 9165215), (10, 7332172), (20, 3666086), (40, 1833043), (431, 170120), (862, 85060), (1724, 42530), (2155, 34024), (3448, 21265), (4253, 17240), (4310, 17012), (8506, 8620)]